<template>
    <div>
        <el-slider v-model="currentVal" :disabled="disabled" :step="step" :min="min" :max="max" @change="change">
        </el-slider>
    </div>
</template>

<script lang="ts">
import { Component, Vue, Prop, Model, Watch } from 'vue-property-decorator';

@Component({})
export default class AppSlider extends Vue {
    /**
     * 传入值
     * @type {any}
     * @memberof AppSlider
     */
    @Prop() public value?: any;

    /**
     * 是否禁用
     * @type {boolean}
     * @memberof AppSlider
     */
    @Prop() public disabled?: boolean;

    /**
     * 属性项名称
     *
     * @type {string}
     * @memberof AppPicker
     */
    @Prop() public name!: string;

    /**
     * 步长
     * @type {number}
     * @memberof AppSlider
     */
    @Prop({ default: 1 }) public step!: number;

    /**
     * 最小值
     * @type {number}
     * @memberof AppSlider
     */
    @Prop({ default: 0 }) public min!: number;

    /**
     * 最大值
     * @type {number}
     * @memberof AppSlider
     */
    @Prop({ default: 100 }) public max!: number;

    /**
     * 当前值
     *
     * @memberof AppSlider
     */
    currentVal: number = 0;

    /**
     * 值变化
     *
     * @param {*} newVal
     * @param {*} oldVal
     * @memberof AppPicker
     */
    @Watch('value')
    public onValueChange(newVal: any, oldVal: any) {
        newVal = newVal === null ? 0 : newVal;
        this.currentVal = parseInt(newVal);
    }

    /**
     * change事件
     *
     * @param {*} val
     * @memberof AppPicker
     */
    public change(val: any) {
        this.$emit('change', { name: this.name, value: val });
    }
}
</script>

<style lang="less">
@import './app-slider.less';
</style>
